update template images to replace tails' icon with chao

...example_asymmetricalrotation_6states_animated/sprites.png

.../example_symmetricalrotation_6states_animated/sprites.png

Basic templates/example/sprites.png

Basic templates/example_animated/sprites.png

Basic templates/example_asymmetricalrotation/sprites.png

...mplates/example_asymmetricalrotation_animated/sprites.png

Basic templates/example_symmetricalrotation/sprites.png

.../example_symmetricalrotation_2states_animated/sprites.png

...emplates/example_symmetricalrotation_animated/sprites.png